1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2005-2014, 2018-2021 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7 #if defined(__FreeBSD__)
8 #define LINUXKPI_PARAM_PREFIX iwlwifi_
9 #endif
10 #include <linux/completion.h>
11 #include <linux/dma-mapping.h>
12 #include <linux/firmware.h>
13 #include <linux/module.h>
14 #include <linux/vmalloc.h>
15
16 #include "iwl-drv.h"
17 #include "iwl-csr.h"
18 #include "iwl-debug.h"
19 #include "iwl-trans.h"
20 #include "iwl-op-mode.h"
21 #include "iwl-agn-hw.h"
22 #include "fw/img.h"
23 #include "iwl-dbg-tlv.h"
24 #include "iwl-config.h"
25 #include "iwl-modparams.h"
26 #include "fw/api/alive.h"
27 #include "fw/api/mac.h"
28
29 /******************************************************************************
30 *
31 * module boiler plate
32 *
33 ******************************************************************************/
34
35 #if defined(__linux__)
36 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
37 MODULE_LICENSE("GPL");
38 #elif defined(__FreeBSD__)
39 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi based driver for FreeBSD"
40 MODULE_LICENSE("BSD");
41 MODULE_VERSION(if_iwlwifi, 1);
42 MODULE_DEPEND(if_iwlwifi, linuxkpi, 1, 1, 1);
43 MODULE_DEPEND(if_iwlwifi, linuxkpi_wlan, 1, 1, 1);
44 #ifdef CONFIG_IWLWIFI_DEBUGFS
45 MODULE_DEPEND(if_iwlwifi, lindebugfs, 1, 1, 1);
46 #endif
47 #endif
48 MODULE_DESCRIPTION(DRV_DESCRIPTION);
49
50 #ifdef CONFIG_IWLWIFI_DEBUGFS
51 static struct dentry *iwl_dbgfs_root;
52 #endif
53
54 /**
55 * struct iwl_drv - drv common data
56 * @list: list of drv structures using this opmode
57 * @fw: the iwl_fw structure
58 * @op_mode: the running op_mode
59 * @trans: transport layer
60 * @dev: for debug prints only
61 * @fw_index: firmware revision to try loading
62 * @firmware_name: composite filename of ucode file to load
63 * @request_firmware_complete: the firmware has been obtained from user space
64 * @dbgfs_drv: debugfs root directory entry
65 * @dbgfs_trans: debugfs transport directory entry
66 * @dbgfs_op_mode: debugfs op_mode directory entry
67 */
68 struct iwl_drv {
69 struct list_head list;
70 struct iwl_fw fw;
71
72 struct iwl_op_mode *op_mode;
73 struct iwl_trans *trans;
74 struct device *dev;
75
76 int fw_index; /* firmware we're trying to load */
77 char firmware_name[64]; /* name of firmware file to load */
78
79 struct completion request_firmware_complete;
80 #if defined(__FreeBSD__)
81 struct completion drv_start_complete;
82 #endif
83
84 #ifdef CONFIG_IWLWIFI_DEBUGFS
85 struct dentry *dbgfs_drv;
86 struct dentry *dbgfs_trans;
87 struct dentry *dbgfs_op_mode;
88 #endif
89 };
90
91 enum {
92 DVM_OP_MODE,
93 MVM_OP_MODE,
94 };
95
96 /* Protects the table contents, i.e. the ops pointer & drv list */
97 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);
98 static struct iwlwifi_opmode_table {
99 const char *name; /* name: iwldvm, iwlmvm, etc */
100 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
101 struct list_head drv; /* list of devices using this op_mode */
102 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
103 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
104 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
105 };
106
107 #define IWL_DEFAULT_SCAN_CHANNELS 40
108
109 /*
110 * struct fw_sec: Just for the image parsing process.
111 * For the fw storage we are using struct fw_desc.
112 */
113 struct fw_sec {
114 const void *data; /* the sec data */
115 size_t size; /* section size */
116 u32 offset; /* offset of writing in the device */
117 };
118
iwl_free_fw_desc(struct iwl_drv * drv,struct fw_desc * desc)119 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
120 {
121 vfree(desc->data);
122 desc->data = NULL;
123 desc->len = 0;
124 }
125
iwl_free_fw_img(struct iwl_drv * drv,struct fw_img * img)126 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
127 {
128 int i;
129 for (i = 0; i < img->num_sec; i++)
130 iwl_free_fw_desc(drv, &img->sec[i]);
131 kfree(img->sec);
132 }
133
iwl_dealloc_ucode(struct iwl_drv * drv)134 static void iwl_dealloc_ucode(struct iwl_drv *drv)
135 {
136 int i;
137
138 kfree(drv->fw.dbg.dest_tlv);
139 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)
140 kfree(drv->fw.dbg.conf_tlv[i]);
141 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)
142 kfree(drv->fw.dbg.trigger_tlv[i]);
143 kfree(drv->fw.dbg.mem_tlv);
144 kfree(drv->fw.iml);
145 kfree(drv->fw.ucode_capa.cmd_versions);
146 kfree(drv->fw.phy_integration_ver);
147 kfree(drv->trans->dbg.pc_data);
148
149 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
150 iwl_free_fw_img(drv, drv->fw.img + i);
151
152 /* clear the data for the aborted load case */
153 memset(&drv->fw, 0, sizeof(drv->fw));
154 }
155
iwl_alloc_fw_desc(struct iwl_drv * drv,struct fw_desc * desc,struct fw_sec * sec)156 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
157 struct fw_sec *sec)
158 {
159 void *data;
160
161 desc->data = NULL;
162
163 if (!sec || !sec->size)
164 return -EINVAL;
165
166 data = vmalloc(sec->size);
167 if (!data)
168 return -ENOMEM;
169
170 desc->len = sec->size;
171 desc->offset = sec->offset;
172 memcpy(data, sec->data, desc->len);
173 desc->data = data;
174
175 return 0;
176 }
177
iwl_drv_get_step(int step)178 static inline char iwl_drv_get_step(int step)
179 {
180 if (step == SILICON_Z_STEP)
181 return 'z';
182 return 'a' + step;
183 }
184
iwl_drv_get_fwname_pre(struct iwl_trans * trans,char * buf)185 const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf)
186 {
187 char mac_step, rf_step;
188 const char *rf, *cdb;
189
190 if (trans->cfg->fw_name_pre)
191 return trans->cfg->fw_name_pre;
192
193 if (WARN_ON(!trans->cfg->fw_name_mac))
194 return "unconfigured";
195
196 mac_step = iwl_drv_get_step(trans->hw_rev_step);
197
198 switch (CSR_HW_RFID_TYPE(trans->hw_rf_id)) {
199 case IWL_CFG_RF_TYPE_HR1:
200 case IWL_CFG_RF_TYPE_HR2:
201 rf = "hr";
202 break;
203 case IWL_CFG_RF_TYPE_GF:
204 rf = "gf";
205 break;
206 case IWL_CFG_RF_TYPE_MR:
207 rf = "mr";
208 break;
209 case IWL_CFG_RF_TYPE_MS:
210 rf = "ms";
211 break;
212 case IWL_CFG_RF_TYPE_FM:
213 rf = "fm";
214 break;
215 case IWL_CFG_RF_TYPE_WH:
216 rf = "wh";
217 break;
218 default:
219 return "unknown-rf";
220 }
221
222 cdb = CSR_HW_RFID_IS_CDB(trans->hw_rf_id) ? "4" : "";
223
224 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->hw_rf_id));
225
226 scnprintf(buf, FW_NAME_PRE_BUFSIZE,
227 "iwlwifi-%s-%c0-%s%s-%c0",
228 trans->cfg->fw_name_mac, mac_step,
229 rf, cdb, rf_step);
230
231 return buf;
232 }
233 IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre);
234
235 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
236 void *context);
237
iwl_request_firmware(struct iwl_drv * drv,bool first)238 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
239 {
240 const struct iwl_cfg *cfg = drv->trans->cfg;
241 char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
242 const char *fw_name_pre;
243
244 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
245 (drv->trans->hw_rev_step != SILICON_B_STEP &&
246 drv->trans->hw_rev_step != SILICON_C_STEP)) {
247 IWL_ERR(drv,
248 "Only HW steps B and C are currently supported (0x%0x)\n",
249 drv->trans->hw_rev);
250 return -EINVAL;
251 }
252
253 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre);
254
255 if (first)
256 drv->fw_index = cfg->ucode_api_max;
257 else
258 drv->fw_index--;
259
260 if (drv->fw_index < cfg->ucode_api_min) {
261 IWL_ERR(drv, "no suitable firmware found!\n");
262
263 if (cfg->ucode_api_min == cfg->ucode_api_max) {
264 IWL_ERR(drv, "%s-%d is required\n", fw_name_pre,
265 cfg->ucode_api_max);
266 } else {
267 IWL_ERR(drv, "minimum version required: %s-%d\n",
268 fw_name_pre, cfg->ucode_api_min);
269 IWL_ERR(drv, "maximum version supported: %s-%d\n",
270 fw_name_pre, cfg->ucode_api_max);
271 }
272
273 IWL_ERR(drv,
274 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
275 return -ENOENT;
276 }
277
278 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s-%d.ucode",
279 fw_name_pre, drv->fw_index);
280
281 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
282 drv->firmware_name);
283
284 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
285 drv->trans->dev,
286 GFP_KERNEL, drv, iwl_req_fw_callback);
287 }
288
289 struct fw_img_parsing {
290 struct fw_sec *sec;
291 int sec_counter;
292 };
293
294 /*
295 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
296 */
297 struct fw_sec_parsing {
298 __le32 offset;
299 const u8 data[];
300 } __packed;
301
302 /**
303 * struct iwl_tlv_calib_data - parse the default calib data from TLV
304 *
305 * @ucode_type: the uCode to which the following default calib relates.
306 * @calib: default calibrations.
307 */
308 struct iwl_tlv_calib_data {
309 __le32 ucode_type;
310 struct iwl_tlv_calib_ctrl calib;
311 } __packed;
312
313 struct iwl_firmware_pieces {
314 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
315
316 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
317 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
318
319 /* FW debug data parsed for driver usage */
320 bool dbg_dest_tlv_init;
321 const u8 *dbg_dest_ver;
322 union {
323 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
324 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
325 };
326 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
327 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
328 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
329 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
330 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
331 size_t n_mem_tlv;
332 };
333
334 /*
335 * These functions are just to extract uCode section data from the pieces
336 * structure.
337 */
get_sec(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)338 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
339 enum iwl_ucode_type type,
340 int sec)
341 {
342 return &pieces->img[type].sec[sec];
343 }
344
alloc_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)345 static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
346 enum iwl_ucode_type type,
347 int sec)
348 {
349 struct fw_img_parsing *img = &pieces->img[type];
350 struct fw_sec *sec_memory;
351 int size = sec + 1;
352 size_t alloc_size = sizeof(*img->sec) * size;
353
354 if (img->sec && img->sec_counter >= size)
355 return;
356
357 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
358 if (!sec_memory)
359 return;
360
361 img->sec = sec_memory;
362 img->sec_counter = size;
363 }
364
set_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,const void * data)365 static void set_sec_data(struct iwl_firmware_pieces *pieces,
366 enum iwl_ucode_type type,
367 int sec,
368 const void *data)
369 {
370 alloc_sec_data(pieces, type, sec);
371
372 pieces->img[type].sec[sec].data = data;
373 }
374
set_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,size_t size)375 static void set_sec_size(struct iwl_firmware_pieces *pieces,
376 enum iwl_ucode_type type,
377 int sec,
378 size_t size)
379 {
380 alloc_sec_data(pieces, type, sec);
381
382 pieces->img[type].sec[sec].size = size;
383 }
384
get_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)385 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
386 enum iwl_ucode_type type,
387 int sec)
388 {
389 return pieces->img[type].sec[sec].size;
390 }
391
set_sec_offset(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,u32 offset)392 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
393 enum iwl_ucode_type type,
394 int sec,
395 u32 offset)
396 {
397 alloc_sec_data(pieces, type, sec);
398
399 pieces->img[type].sec[sec].offset = offset;
400 }
401
402 /*
403 * Gets uCode section from tlv.
404 */
iwl_store_ucode_sec(struct iwl_firmware_pieces * pieces,const void * data,enum iwl_ucode_type type,int size)405 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
406 const void *data, enum iwl_ucode_type type,
407 int size)
408 {
409 struct fw_img_parsing *img;
410 struct fw_sec *sec;
411 const struct fw_sec_parsing *sec_parse;
412 size_t alloc_size;
413
414 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
415 return -1;
416
417 sec_parse = (const struct fw_sec_parsing *)data;
418
419 img = &pieces->img[type];
420
421 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
422 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
423 if (!sec)
424 return -ENOMEM;
425 img->sec = sec;
426
427 sec = &img->sec[img->sec_counter];
428
429 sec->offset = le32_to_cpu(sec_parse->offset);
430 sec->data = sec_parse->data;
431 sec->size = size - sizeof(sec_parse->offset);
432
433 ++img->sec_counter;
434
435 return 0;
436 }
437
iwl_set_default_calib(struct iwl_drv * drv,const u8 * data)438 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
439 {
440 const struct iwl_tlv_calib_data *def_calib =
441 (const struct iwl_tlv_calib_data *)data;
442 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
443 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
444 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
445 ucode_type);
446 return -EINVAL;
447 }
448 drv->fw.default_calib[ucode_type].flow_trigger =
449 def_calib->calib.flow_trigger;
450 drv->fw.default_calib[ucode_type].event_trigger =
451 def_calib->calib.event_trigger;
452
453 return 0;
454 }
455
iwl_set_ucode_api_flags(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)456 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
457 struct iwl_ucode_capabilities *capa)
458 {
459 const struct iwl_ucode_api *ucode_api = (const void *)data;
460 u32 api_index = le32_to_cpu(ucode_api->api_index);
461 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
462 int i;
463
464 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
465 IWL_WARN(drv,
466 "api flags index %d larger than supported by driver\n",
467 api_index);
468 return;
469 }
470
471 for (i = 0; i < 32; i++) {
472 if (api_flags & BIT(i))
473 __set_bit(i + 32 * api_index, capa->_api);
474 }
475 }
476
iwl_set_ucode_capabilities(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)477 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
478 struct iwl_ucode_capabilities *capa)
479 {
480 const struct iwl_ucode_capa *ucode_capa = (const void *)data;
481 u32 api_index = le32_to_cpu(ucode_capa->api_index);
482 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
483 int i;
484
485 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
486 IWL_WARN(drv,
487 "capa flags index %d larger than supported by driver\n",
488 api_index);
489 return;
490 }
491
492 for (i = 0; i < 32; i++) {
493 if (api_flags & BIT(i))
494 __set_bit(i + 32 * api_index, capa->_capa);
495 }
496 }
497
iwl_reduced_fw_name(struct iwl_drv * drv)498 static const char *iwl_reduced_fw_name(struct iwl_drv *drv)
499 {
500 const char *name = drv->firmware_name;
501
502 if (strncmp(name, "iwlwifi-", 8) == 0)
503 name += 8;
504
505 return name;
506 }
507
iwl_parse_v1_v2_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces)508 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
509 const struct firmware *ucode_raw,
510 struct iwl_firmware_pieces *pieces)
511 {
512 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data;
513 u32 api_ver, hdr_size, build;
514 char buildstr[25];
515 const u8 *src;
516
517 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
518 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
519
520 switch (api_ver) {
521 default:
522 hdr_size = 28;
523 if (ucode_raw->size < hdr_size) {
524 IWL_ERR(drv, "File size too small!\n");
525 return -EINVAL;
526 }
527 build = le32_to_cpu(ucode->u.v2.build);
528 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
529 le32_to_cpu(ucode->u.v2.inst_size));
530 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
531 le32_to_cpu(ucode->u.v2.data_size));
532 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
533 le32_to_cpu(ucode->u.v2.init_size));
534 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
535 le32_to_cpu(ucode->u.v2.init_data_size));
536 src = ucode->u.v2.data;
537 break;
538 case 0:
539 case 1:
540 case 2:
541 hdr_size = 24;
542 if (ucode_raw->size < hdr_size) {
543 IWL_ERR(drv, "File size too small!\n");
544 return -EINVAL;
545 }
546 build = 0;
547 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
548 le32_to_cpu(ucode->u.v1.inst_size));
549 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
550 le32_to_cpu(ucode->u.v1.data_size));
551 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
552 le32_to_cpu(ucode->u.v1.init_size));
553 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
554 le32_to_cpu(ucode->u.v1.init_data_size));
555 src = ucode->u.v1.data;
556 break;
557 }
558
559 if (build)
560 sprintf(buildstr, " build %u", build);
561 else
562 buildstr[0] = '\0';
563
564 snprintf(drv->fw.fw_version,
565 sizeof(drv->fw.fw_version),
566 "%u.%u.%u.%u%s %s",
567 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
568 IWL_UCODE_MINOR(drv->fw.ucode_ver),
569 IWL_UCODE_API(drv->fw.ucode_ver),
570 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
571 buildstr, iwl_reduced_fw_name(drv));
572
573 /* Verify size of file vs. image size info in file's header */
574
575 if (ucode_raw->size != hdr_size +
576 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
577 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
578 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
579 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
580
581 IWL_ERR(drv,
582 "uCode file size %d does not match expected size\n",
583 (int)ucode_raw->size);
584 return -EINVAL;
585 }
586
587
588 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
589 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
590 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
591 IWLAGN_RTC_INST_LOWER_BOUND);
592 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
593 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
594 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
595 IWLAGN_RTC_DATA_LOWER_BOUND);
596 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
597 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
598 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
599 IWLAGN_RTC_INST_LOWER_BOUND);
600 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
601 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
602 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
603 IWLAGN_RTC_DATA_LOWER_BOUND);
604 return 0;
605 }
606
iwl_drv_set_dump_exclude(struct iwl_drv * drv,enum iwl_ucode_tlv_type tlv_type,const void * tlv_data,u32 tlv_len)607 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv,
608 enum iwl_ucode_tlv_type tlv_type,
609 const void *tlv_data, u32 tlv_len)
610 {
611 const struct iwl_fw_dump_exclude *fw = tlv_data;
612 struct iwl_dump_exclude *excl;
613
614 if (tlv_len < sizeof(*fw))
615 return;
616
617 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) {
618 excl = &drv->fw.dump_excl[0];
619
620 /* second time we find this, it's for WoWLAN */
621 if (excl->addr)
622 excl = &drv->fw.dump_excl_wowlan[0];
623 } else if (fw_has_capa(&drv->fw.ucode_capa,
624 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) {
625 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */
626 excl = &drv->fw.dump_excl[0];
627 } else {
628 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */
629 excl = &drv->fw.dump_excl_wowlan[0];
630 }
631
632 if (excl->addr)
633 excl++;
634
635 if (excl->addr) {
636 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n");
637 return;
638 }
639
640 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL;
641 excl->size = le32_to_cpu(fw->size);
642 }
643
iwl_parse_dbg_tlv_assert_tables(struct iwl_drv * drv,const struct iwl_ucode_tlv * tlv)644 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,
645 const struct iwl_ucode_tlv *tlv)
646 {
647 const struct iwl_fw_ini_region_tlv *region;
648 u32 length = le32_to_cpu(tlv->length);
649 u32 addr;
650
651 if (length < offsetof(typeof(*region), special_mem) +
652 sizeof(region->special_mem))
653 return;
654
655 region = (const void *)tlv->data;
656 addr = le32_to_cpu(region->special_mem.base_addr);
657 addr += le32_to_cpu(region->special_mem.offset);
658 addr &= ~FW_ADDR_CACHE_CONTROL;
659
660 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY)
661 return;
662
663 switch (region->sub_type) {
664 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE:
665 drv->trans->dbg.umac_error_event_table = addr;
666 drv->trans->dbg.error_event_table_tlv_status |=
667 IWL_ERROR_EVENT_TABLE_UMAC;
668 break;
669 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE:
670 drv->trans->dbg.lmac_error_event_table[0] = addr;
671 drv->trans->dbg.error_event_table_tlv_status |=
672 IWL_ERROR_EVENT_TABLE_LMAC1;
673 break;
674 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE:
675 drv->trans->dbg.lmac_error_event_table[1] = addr;
676 drv->trans->dbg.error_event_table_tlv_status |=
677 IWL_ERROR_EVENT_TABLE_LMAC2;
678 break;
679 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE:
680 drv->trans->dbg.tcm_error_event_table[0] = addr;
681 drv->trans->dbg.error_event_table_tlv_status |=
682 IWL_ERROR_EVENT_TABLE_TCM1;
683 break;
684 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE:
685 drv->trans->dbg.tcm_error_event_table[1] = addr;
686 drv->trans->dbg.error_event_table_tlv_status |=
687 IWL_ERROR_EVENT_TABLE_TCM2;
688 break;
689 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE:
690 drv->trans->dbg.rcm_error_event_table[0] = addr;
691 drv->trans->dbg.error_event_table_tlv_status |=
692 IWL_ERROR_EVENT_TABLE_RCM1;
693 break;
694 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE:
695 drv->trans->dbg.rcm_error_event_table[1] = addr;
696 drv->trans->dbg.error_event_table_tlv_status |=
697 IWL_ERROR_EVENT_TABLE_RCM2;
698 break;
699 default:
700 break;
701 }
702 }
703
iwl_parse_tlv_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces,struct iwl_ucode_capabilities * capa,bool * usniffer_images)704 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
705 const struct firmware *ucode_raw,
706 struct iwl_firmware_pieces *pieces,
707 struct iwl_ucode_capabilities *capa,
708 bool *usniffer_images)
709 {
710 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data;
711 const struct iwl_ucode_tlv *tlv;
712 size_t len = ucode_raw->size;
713 const u8 *data;
714 u32 tlv_len;
715 u32 usniffer_img;
716 enum iwl_ucode_tlv_type tlv_type;
717 const u8 *tlv_data;
718 char buildstr[25];
719 u32 build, paging_mem_size;
720 int num_of_cpus;
721 bool usniffer_req = false;
722
723 if (len < sizeof(*ucode)) {
724 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
725 return -EINVAL;
726 }
727
728 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
729 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
730 le32_to_cpu(ucode->magic));
731 return -EINVAL;
732 }
733
734 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
735 memcpy(drv->fw.human_readable, ucode->human_readable,
736 sizeof(drv->fw.human_readable));
737 build = le32_to_cpu(ucode->build);
738
739 if (build)
740 sprintf(buildstr, " build %u", build);
741 else
742 buildstr[0] = '\0';
743
744 snprintf(drv->fw.fw_version,
745 sizeof(drv->fw.fw_version),
746 "%u.%u.%u.%u%s %s",
747 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
748 IWL_UCODE_MINOR(drv->fw.ucode_ver),
749 IWL_UCODE_API(drv->fw.ucode_ver),
750 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
751 buildstr, iwl_reduced_fw_name(drv));
752
753 data = ucode->data;
754
755 len -= sizeof(*ucode);
756
757 while (len >= sizeof(*tlv)) {
758 len -= sizeof(*tlv);
759
760 tlv = (const void *)data;
761 tlv_len = le32_to_cpu(tlv->length);
762 tlv_type = le32_to_cpu(tlv->type);
763 tlv_data = tlv->data;
764
765 if (len < tlv_len) {
766 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
767 len, tlv_len);
768 return -EINVAL;
769 }
770 len -= ALIGN(tlv_len, 4);
771 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
772
773 switch (tlv_type) {
774 case IWL_UCODE_TLV_INST:
775 set_sec_data(pieces, IWL_UCODE_REGULAR,
776 IWL_UCODE_SECTION_INST, tlv_data);
777 set_sec_size(pieces, IWL_UCODE_REGULAR,
778 IWL_UCODE_SECTION_INST, tlv_len);
779 set_sec_offset(pieces, IWL_UCODE_REGULAR,
780 IWL_UCODE_SECTION_INST,
781 IWLAGN_RTC_INST_LOWER_BOUND);
782 break;
783 case IWL_UCODE_TLV_DATA:
784 set_sec_data(pieces, IWL_UCODE_REGULAR,
785 IWL_UCODE_SECTION_DATA, tlv_data);
786 set_sec_size(pieces, IWL_UCODE_REGULAR,
787 IWL_UCODE_SECTION_DATA, tlv_len);
788 set_sec_offset(pieces, IWL_UCODE_REGULAR,
789 IWL_UCODE_SECTION_DATA,
790 IWLAGN_RTC_DATA_LOWER_BOUND);
791 break;
792 case IWL_UCODE_TLV_INIT:
793 set_sec_data(pieces, IWL_UCODE_INIT,
794 IWL_UCODE_SECTION_INST, tlv_data);
795 set_sec_size(pieces, IWL_UCODE_INIT,
796 IWL_UCODE_SECTION_INST, tlv_len);
797 set_sec_offset(pieces, IWL_UCODE_INIT,
798 IWL_UCODE_SECTION_INST,
799 IWLAGN_RTC_INST_LOWER_BOUND);
800 break;
801 case IWL_UCODE_TLV_INIT_DATA:
802 set_sec_data(pieces, IWL_UCODE_INIT,
803 IWL_UCODE_SECTION_DATA, tlv_data);
804 set_sec_size(pieces, IWL_UCODE_INIT,
805 IWL_UCODE_SECTION_DATA, tlv_len);
806 set_sec_offset(pieces, IWL_UCODE_INIT,
807 IWL_UCODE_SECTION_DATA,
808 IWLAGN_RTC_DATA_LOWER_BOUND);
809 break;
810 case IWL_UCODE_TLV_BOOT:
811 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
812 break;
813 case IWL_UCODE_TLV_PROBE_MAX_LEN:
814 if (tlv_len != sizeof(u32))
815 goto invalid_tlv_len;
816 capa->max_probe_length =
817 le32_to_cpup((const __le32 *)tlv_data);
818 break;
819 case IWL_UCODE_TLV_PAN:
820 if (tlv_len)
821 goto invalid_tlv_len;
822 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
823 break;
824 case IWL_UCODE_TLV_FLAGS:
825 /* must be at least one u32 */
826 if (tlv_len < sizeof(u32))
827 goto invalid_tlv_len;
828 /* and a proper number of u32s */
829 if (tlv_len % sizeof(u32))
830 goto invalid_tlv_len;
831 /*
832 * This driver only reads the first u32 as
833 * right now no more features are defined,
834 * if that changes then either the driver
835 * will not work with the new firmware, or
836 * it'll not take advantage of new features.
837 */
838 capa->flags = le32_to_cpup((const __le32 *)tlv_data);
839 break;
840 case IWL_UCODE_TLV_API_CHANGES_SET:
841 if (tlv_len != sizeof(struct iwl_ucode_api))
842 goto invalid_tlv_len;
843 iwl_set_ucode_api_flags(drv, tlv_data, capa);
844 break;
845 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
846 if (tlv_len != sizeof(struct iwl_ucode_capa))
847 goto invalid_tlv_len;
848 iwl_set_ucode_capabilities(drv, tlv_data, capa);
849 break;
850 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
851 if (tlv_len != sizeof(u32))
852 goto invalid_tlv_len;
853 pieces->init_evtlog_ptr =
854 le32_to_cpup((const __le32 *)tlv_data);
855 break;
856 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
857 if (tlv_len != sizeof(u32))
858 goto invalid_tlv_len;
859 pieces->init_evtlog_size =
860 le32_to_cpup((const __le32 *)tlv_data);
861 break;
862 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
863 if (tlv_len != sizeof(u32))
864 goto invalid_tlv_len;
865 pieces->init_errlog_ptr =
866 le32_to_cpup((const __le32 *)tlv_data);
867 break;
868 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
869 if (tlv_len != sizeof(u32))
870 goto invalid_tlv_len;
871 pieces->inst_evtlog_ptr =
872 le32_to_cpup((const __le32 *)tlv_data);
873 break;
874 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
875 if (tlv_len != sizeof(u32))
876 goto invalid_tlv_len;
877 pieces->inst_evtlog_size =
878 le32_to_cpup((const __le32 *)tlv_data);
879 break;
880 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
881 if (tlv_len != sizeof(u32))
882 goto invalid_tlv_len;
883 pieces->inst_errlog_ptr =
884 le32_to_cpup((const __le32 *)tlv_data);
885 break;
886 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
887 if (tlv_len)
888 goto invalid_tlv_len;
889 drv->fw.enhance_sensitivity_table = true;
890 break;
891 case IWL_UCODE_TLV_WOWLAN_INST:
892 set_sec_data(pieces, IWL_UCODE_WOWLAN,
893 IWL_UCODE_SECTION_INST, tlv_data);
894 set_sec_size(pieces, IWL_UCODE_WOWLAN,
895 IWL_UCODE_SECTION_INST, tlv_len);
896 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
897 IWL_UCODE_SECTION_INST,
898 IWLAGN_RTC_INST_LOWER_BOUND);
899 break;
900 case IWL_UCODE_TLV_WOWLAN_DATA:
901 set_sec_data(pieces, IWL_UCODE_WOWLAN,
902 IWL_UCODE_SECTION_DATA, tlv_data);
903 set_sec_size(pieces, IWL_UCODE_WOWLAN,
904 IWL_UCODE_SECTION_DATA, tlv_len);
905 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
906 IWL_UCODE_SECTION_DATA,
907 IWLAGN_RTC_DATA_LOWER_BOUND);
908 break;
909 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
910 if (tlv_len != sizeof(u32))
911 goto invalid_tlv_len;
912 capa->standard_phy_calibration_size =
913 le32_to_cpup((const __le32 *)tlv_data);
914 break;
915 case IWL_UCODE_TLV_SEC_RT:
916 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
917 tlv_len);
918 drv->fw.type = IWL_FW_MVM;
919 break;
920 case IWL_UCODE_TLV_SEC_INIT:
921 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
922 tlv_len);
923 drv->fw.type = IWL_FW_MVM;
924 break;
925 case IWL_UCODE_TLV_SEC_WOWLAN:
926 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
927 tlv_len);
928 drv->fw.type = IWL_FW_MVM;
929 break;
930 case IWL_UCODE_TLV_DEF_CALIB:
931 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
932 goto invalid_tlv_len;
933 if (iwl_set_default_calib(drv, tlv_data))
934 goto tlv_error;
935 break;
936 case IWL_UCODE_TLV_PHY_SKU:
937 if (tlv_len != sizeof(u32))
938 goto invalid_tlv_len;
939 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data);
940 drv->fw.valid_tx_ant = (drv->fw.phy_config &
941 FW_PHY_CFG_TX_CHAIN) >>
942 FW_PHY_CFG_TX_CHAIN_POS;
943 drv->fw.valid_rx_ant = (drv->fw.phy_config &
944 FW_PHY_CFG_RX_CHAIN) >>
945 FW_PHY_CFG_RX_CHAIN_POS;
946 break;
947 case IWL_UCODE_TLV_SECURE_SEC_RT:
948 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
949 tlv_len);
950 drv->fw.type = IWL_FW_MVM;
951 break;
952 case IWL_UCODE_TLV_SECURE_SEC_INIT:
953 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
954 tlv_len);
955 drv->fw.type = IWL_FW_MVM;
956 break;
957 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
958 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
959 tlv_len);
960 drv->fw.type = IWL_FW_MVM;
961 break;
962 case IWL_UCODE_TLV_NUM_OF_CPU:
963 if (tlv_len != sizeof(u32))
964 goto invalid_tlv_len;
965 num_of_cpus =
966 le32_to_cpup((const __le32 *)tlv_data);
967
968 if (num_of_cpus == 2) {
969 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
970 true;
971 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
972 true;
973 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
974 true;
975 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
976 IWL_ERR(drv, "Driver support up to 2 CPUs\n");
977 return -EINVAL;
978 }
979 break;
980 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
981 if (tlv_len != sizeof(u32))
982 goto invalid_tlv_len;
983 capa->n_scan_channels =
984 le32_to_cpup((const __le32 *)tlv_data);
985 break;
986 case IWL_UCODE_TLV_FW_VERSION: {
987 const __le32 *ptr = (const void *)tlv_data;
988 u32 major, minor;
989 u8 local_comp;
990
991 if (tlv_len != sizeof(u32) * 3)
992 goto invalid_tlv_len;
993
994 major = le32_to_cpup(ptr++);
995 minor = le32_to_cpup(ptr++);
996 local_comp = le32_to_cpup(ptr);
997
998 if (major >= 35)
999 snprintf(drv->fw.fw_version,
1000 sizeof(drv->fw.fw_version),
1001 "%u.%08x.%u %s", major, minor,
1002 local_comp, iwl_reduced_fw_name(drv));
1003 else
1004 snprintf(drv->fw.fw_version,
1005 sizeof(drv->fw.fw_version),
1006 "%u.%u.%u %s", major, minor,
1007 local_comp, iwl_reduced_fw_name(drv));
1008 break;
1009 }
1010 case IWL_UCODE_TLV_FW_DBG_DEST: {
1011 const struct iwl_fw_dbg_dest_tlv *dest = NULL;
1012 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
1013 u8 mon_mode;
1014
1015 pieces->dbg_dest_ver = (const u8 *)tlv_data;
1016 if (*pieces->dbg_dest_ver == 1) {
1017 dest = (const void *)tlv_data;
1018 } else if (*pieces->dbg_dest_ver == 0) {
1019 dest_v1 = (const void *)tlv_data;
1020 } else {
1021 IWL_ERR(drv,
1022 "The version is %d, and it is invalid\n",
1023 *pieces->dbg_dest_ver);
1024 break;
1025 }
1026
1027 if (pieces->dbg_dest_tlv_init) {
1028 IWL_ERR(drv,
1029 "dbg destination ignored, already exists\n");
1030 break;
1031 }
1032
1033 pieces->dbg_dest_tlv_init = true;
1034
1035 if (dest_v1) {
1036 pieces->dbg_dest_tlv_v1 = dest_v1;
1037 mon_mode = dest_v1->monitor_mode;
1038 } else {
1039 pieces->dbg_dest_tlv = dest;
1040 mon_mode = dest->monitor_mode;
1041 }
1042
1043 IWL_INFO(drv, "Found debug destination: %s\n",
1044 get_fw_dbg_mode_string(mon_mode));
1045
1046 drv->fw.dbg.n_dest_reg = (dest_v1) ?
1047 tlv_len -
1048 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
1049 reg_ops) :
1050 tlv_len -
1051 offsetof(struct iwl_fw_dbg_dest_tlv,
1052 reg_ops);
1053
1054 drv->fw.dbg.n_dest_reg /=
1055 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
1056
1057 break;
1058 }
1059 case IWL_UCODE_TLV_FW_DBG_CONF: {
1060 const struct iwl_fw_dbg_conf_tlv *conf =
1061 (const void *)tlv_data;
1062
1063 if (!pieces->dbg_dest_tlv_init) {
1064 IWL_ERR(drv,
1065 "Ignore dbg config %d - no destination configured\n",
1066 conf->id);
1067 break;
1068 }
1069
1070 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
1071 IWL_ERR(drv,
1072 "Skip unknown configuration: %d\n",
1073 conf->id);
1074 break;
1075 }
1076
1077 if (pieces->dbg_conf_tlv[conf->id]) {
1078 IWL_ERR(drv,
1079 "Ignore duplicate dbg config %d\n",
1080 conf->id);
1081 break;
1082 }
1083
1084 if (conf->usniffer)
1085 usniffer_req = true;
1086
1087 IWL_INFO(drv, "Found debug configuration: %d\n",
1088 conf->id);
1089
1090 pieces->dbg_conf_tlv[conf->id] = conf;
1091 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
1092 break;
1093 }
1094 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
1095 const struct iwl_fw_dbg_trigger_tlv *trigger =
1096 (const void *)tlv_data;
1097 u32 trigger_id = le32_to_cpu(trigger->id);
1098
1099 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
1100 IWL_ERR(drv,
1101 "Skip unknown trigger: %u\n",
1102 trigger->id);
1103 break;
1104 }
1105
1106 if (pieces->dbg_trigger_tlv[trigger_id]) {
1107 IWL_ERR(drv,
1108 "Ignore duplicate dbg trigger %u\n",
1109 trigger->id);
1110 break;
1111 }
1112
1113 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1114
1115 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1116 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1117 break;
1118 }
1119 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {
1120 if (tlv_len != sizeof(u32)) {
1121 IWL_ERR(drv,
1122 "dbg lst mask size incorrect, skip\n");
1123 break;
1124 }
1125
1126 drv->fw.dbg.dump_mask =
1127 le32_to_cpup((const __le32 *)tlv_data);
1128 break;
1129 }
1130 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1131 *usniffer_images = true;
1132 iwl_store_ucode_sec(pieces, tlv_data,
1133 IWL_UCODE_REGULAR_USNIFFER,
1134 tlv_len);
1135 break;
1136 case IWL_UCODE_TLV_PAGING:
1137 if (tlv_len != sizeof(u32))
1138 goto invalid_tlv_len;
1139 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data);
1140
1141 IWL_DEBUG_FW(drv,
1142 "Paging: paging enabled (size = %u bytes)\n",
1143 paging_mem_size);
1144
1145 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1146 IWL_ERR(drv,
1147 "Paging: driver supports up to %lu bytes for paging image\n",
1148 MAX_PAGING_IMAGE_SIZE);
1149 return -EINVAL;
1150 }
1151
1152 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1153 IWL_ERR(drv,
1154 "Paging: image isn't multiple %lu\n",
1155 FW_PAGING_SIZE);
1156 return -EINVAL;
1157 }
1158
1159 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1160 paging_mem_size;
1161 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1162 drv->fw.img[usniffer_img].paging_mem_size =
1163 paging_mem_size;
1164 break;
1165 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1166 /* ignored */
1167 break;
1168 case IWL_UCODE_TLV_FW_MEM_SEG: {
1169 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1170 (const void *)tlv_data;
1171 size_t size;
1172 struct iwl_fw_dbg_mem_seg_tlv *n;
1173
1174 if (tlv_len != (sizeof(*dbg_mem)))
1175 goto invalid_tlv_len;
1176
1177 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1178 dbg_mem->data_type);
1179
1180 size = sizeof(*pieces->dbg_mem_tlv) *
1181 (pieces->n_mem_tlv + 1);
1182 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1183 if (!n)
1184 return -ENOMEM;
1185 pieces->dbg_mem_tlv = n;
1186 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
1187 pieces->n_mem_tlv++;
1188 break;
1189 }
1190 case IWL_UCODE_TLV_IML: {
1191 drv->fw.iml_len = tlv_len;
1192 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1193 if (!drv->fw.iml)
1194 return -ENOMEM;
1195 break;
1196 }
1197 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {
1198 const struct {
1199 __le32 buf_addr;
1200 __le32 buf_size;
1201 } *recov_info = (const void *)tlv_data;
1202
1203 if (tlv_len != sizeof(*recov_info))
1204 goto invalid_tlv_len;
1205 capa->error_log_addr =
1206 le32_to_cpu(recov_info->buf_addr);
1207 capa->error_log_size =
1208 le32_to_cpu(recov_info->buf_size);
1209 }
1210 break;
1211 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {
1212 const struct {
1213 u8 version[32];
1214 u8 sha1[20];
1215 } *fseq_ver = (const void *)tlv_data;
1216
1217 if (tlv_len != sizeof(*fseq_ver))
1218 goto invalid_tlv_len;
1219 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n",
1220 fseq_ver->version);
1221 }
1222 break;
1223 case IWL_UCODE_TLV_FW_NUM_STATIONS:
1224 if (tlv_len != sizeof(u32))
1225 goto invalid_tlv_len;
1226 if (le32_to_cpup((const __le32 *)tlv_data) >
1227 IWL_MVM_STATION_COUNT_MAX) {
1228 IWL_ERR(drv,
1229 "%d is an invalid number of station\n",
1230 le32_to_cpup((const __le32 *)tlv_data));
1231 goto tlv_error;
1232 }
1233 capa->num_stations =
1234 le32_to_cpup((const __le32 *)tlv_data);
1235 break;
1236 case IWL_UCODE_TLV_FW_NUM_BEACONS:
1237 if (tlv_len != sizeof(u32))
1238 goto invalid_tlv_len;
1239 capa->num_beacons =
1240 le32_to_cpup((const __le32 *)tlv_data);
1241 break;
1242 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
1243 const struct iwl_umac_debug_addrs *dbg_ptrs =
1244 (const void *)tlv_data;
1245
1246 if (tlv_len != sizeof(*dbg_ptrs))
1247 goto invalid_tlv_len;
1248 if (drv->trans->trans_cfg->device_family <
1249 IWL_DEVICE_FAMILY_22000)
1250 break;
1251 drv->trans->dbg.umac_error_event_table =
1252 le32_to_cpu(dbg_ptrs->error_info_addr) &
1253 ~FW_ADDR_CACHE_CONTROL;
1254 drv->trans->dbg.error_event_table_tlv_status |=
1255 IWL_ERROR_EVENT_TABLE_UMAC;
1256 break;
1257 }
1258 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {
1259 const struct iwl_lmac_debug_addrs *dbg_ptrs =
1260 (const void *)tlv_data;
1261
1262 if (tlv_len != sizeof(*dbg_ptrs))
1263 goto invalid_tlv_len;
1264 if (drv->trans->trans_cfg->device_family <
1265 IWL_DEVICE_FAMILY_22000)
1266 break;
1267 drv->trans->dbg.lmac_error_event_table[0] =
1268 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &
1269 ~FW_ADDR_CACHE_CONTROL;
1270 drv->trans->dbg.error_event_table_tlv_status |=
1271 IWL_ERROR_EVENT_TABLE_LMAC1;
1272 break;
1273 }
1274 case IWL_UCODE_TLV_TYPE_REGIONS:
1275 iwl_parse_dbg_tlv_assert_tables(drv, tlv);
1276 fallthrough;
1277 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
1278 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
1279 case IWL_UCODE_TLV_TYPE_HCMD:
1280 case IWL_UCODE_TLV_TYPE_TRIGGERS:
1281 case IWL_UCODE_TLV_TYPE_CONF_SET:
1282 if (iwlwifi_mod_params.enable_ini)
1283 iwl_dbg_tlv_alloc(drv->trans, tlv, false);
1284 break;
1285 case IWL_UCODE_TLV_CMD_VERSIONS:
1286 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {
1287 IWL_ERR(drv,
1288 "Invalid length for command versions: %u\n",
1289 tlv_len);
1290 tlv_len /= sizeof(struct iwl_fw_cmd_version);
1291 tlv_len *= sizeof(struct iwl_fw_cmd_version);
1292 }
1293 if (WARN_ON(capa->cmd_versions))
1294 return -EINVAL;
1295 capa->cmd_versions = kmemdup(tlv_data, tlv_len,
1296 GFP_KERNEL);
1297 if (!capa->cmd_versions)
1298 return -ENOMEM;
1299 capa->n_cmd_versions =
1300 tlv_len / sizeof(struct iwl_fw_cmd_version);
1301 break;
1302 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION:
1303 if (drv->fw.phy_integration_ver) {
1304 IWL_ERR(drv,
1305 "phy integration str ignored, already exists\n");
1306 break;
1307 }
1308
1309 drv->fw.phy_integration_ver =
1310 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1311 if (!drv->fw.phy_integration_ver)
1312 return -ENOMEM;
1313 drv->fw.phy_integration_ver_len = tlv_len;
1314 break;
1315 case IWL_UCODE_TLV_SEC_TABLE_ADDR:
1316 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR:
1317 iwl_drv_set_dump_exclude(drv, tlv_type,
1318 tlv_data, tlv_len);
1319 break;
1320 case IWL_UCODE_TLV_CURRENT_PC:
1321 if (tlv_len < sizeof(struct iwl_pc_data))
1322 goto invalid_tlv_len;
1323 drv->trans->dbg.num_pc =
1324 tlv_len / sizeof(struct iwl_pc_data);
1325 drv->trans->dbg.pc_data =
1326 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1327 break;
1328 default:
1329 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1330 break;
1331 }
1332 }
1333
1334 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1335 usniffer_req && !*usniffer_images) {
1336 IWL_ERR(drv,
1337 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1338 return -EINVAL;
1339 }
1340
1341 if (len) {
1342 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1343 #if defined(__linux__)
1344 iwl_print_hex_dump(drv, IWL_DL_FW, data, len);
1345 #elif defined(__FreeBSD__)
1346 #ifdef CONFIG_IWLWIFI_DEBUGFS
1347 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", data, len);
1348 #endif
1349 #endif
1350 return -EINVAL;
1351 }
1352
1353 return 0;
1354
1355 invalid_tlv_len:
1356 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1357 tlv_error:
1358 #if defined(__linux__)
1359 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1360 #elif defined(__FreeBSD__)
1361 #ifdef CONFIG_IWLWIFI_DEBUGFS
1362 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", tlv_data, tlv_len);
1363 #endif
1364 #endif
1365
1366 return -EINVAL;
1367 }
1368
iwl_alloc_ucode(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type)1369 static int iwl_alloc_ucode(struct iwl_drv *drv,
1370 struct iwl_firmware_pieces *pieces,
1371 enum iwl_ucode_type type)
1372 {
1373 int i;
1374 struct fw_desc *sec;
1375
1376 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);
1377 if (!sec)
1378 return -ENOMEM;
1379 drv->fw.img[type].sec = sec;
1380 drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
1381
1382 for (i = 0; i < pieces->img[type].sec_counter; i++)
1383 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))
1384 return -ENOMEM;
1385
1386 return 0;
1387 }
1388
validate_sec_sizes(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,const struct iwl_cfg * cfg)1389 static int validate_sec_sizes(struct iwl_drv *drv,
1390 struct iwl_firmware_pieces *pieces,
1391 const struct iwl_cfg *cfg)
1392 {
1393 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1394 get_sec_size(pieces, IWL_UCODE_REGULAR,
1395 IWL_UCODE_SECTION_INST));
1396 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1397 get_sec_size(pieces, IWL_UCODE_REGULAR,
1398 IWL_UCODE_SECTION_DATA));
1399 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1400 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1401 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1402 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1403
1404 /* Verify that uCode images will fit in card's SRAM. */
1405 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1406 cfg->max_inst_size) {
1407 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1408 get_sec_size(pieces, IWL_UCODE_REGULAR,
1409 IWL_UCODE_SECTION_INST));
1410 return -1;
1411 }
1412
1413 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1414 cfg->max_data_size) {
1415 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1416 get_sec_size(pieces, IWL_UCODE_REGULAR,
1417 IWL_UCODE_SECTION_DATA));
1418 return -1;
1419 }
1420
1421 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1422 cfg->max_inst_size) {
1423 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1424 get_sec_size(pieces, IWL_UCODE_INIT,
1425 IWL_UCODE_SECTION_INST));
1426 return -1;
1427 }
1428
1429 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1430 cfg->max_data_size) {
1431 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1432 get_sec_size(pieces, IWL_UCODE_REGULAR,
1433 IWL_UCODE_SECTION_DATA));
1434 return -1;
1435 }
1436 return 0;
1437 }
1438
1439 static struct iwl_op_mode *
_iwl_op_mode_start(struct iwl_drv * drv,struct iwlwifi_opmode_table * op)1440 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1441 {
1442 const struct iwl_op_mode_ops *ops = op->ops;
1443 struct dentry *dbgfs_dir = NULL;
1444 struct iwl_op_mode *op_mode = NULL;
1445 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY;
1446
1447 for (retry = 0; retry <= max_retry; retry++) {
1448
1449 #ifdef CONFIG_IWLWIFI_DEBUGFS
1450 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1451 drv->dbgfs_drv);
1452 dbgfs_dir = drv->dbgfs_op_mode;
1453 #endif
1454
1455 op_mode = ops->start(drv->trans, drv->trans->cfg,
1456 &drv->fw, dbgfs_dir);
1457
1458 if (op_mode)
1459 return op_mode;
1460
1461 IWL_ERR(drv, "retry init count %d\n", retry);
1462
1463 #ifdef CONFIG_IWLWIFI_DEBUGFS
1464 debugfs_remove_recursive(drv->dbgfs_op_mode);
1465 drv->dbgfs_op_mode = NULL;
1466 #endif
1467 }
1468
1469 return NULL;
1470 }
1471
_iwl_op_mode_stop(struct iwl_drv * drv)1472 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1473 {
1474 /* op_mode can be NULL if its start failed */
1475 if (drv->op_mode) {
1476 iwl_op_mode_stop(drv->op_mode);
1477 drv->op_mode = NULL;
1478
1479 #ifdef CONFIG_IWLWIFI_DEBUGFS
1480 debugfs_remove_recursive(drv->dbgfs_op_mode);
1481 drv->dbgfs_op_mode = NULL;
1482 #endif
1483 }
1484 }
1485
1486 /*
1487 * iwl_req_fw_callback - callback when firmware was loaded
1488 *
1489 * If loaded successfully, copies the firmware into buffers
1490 * for the card to fetch (via DMA).
1491 */
iwl_req_fw_callback(const struct firmware * ucode_raw,void * context)1492 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1493 {
1494 struct iwl_drv *drv = context;
1495 struct iwl_fw *fw = &drv->fw;
1496 const struct iwl_ucode_header *ucode;
1497 struct iwlwifi_opmode_table *op;
1498 int err;
1499 struct iwl_firmware_pieces *pieces;
1500 const unsigned int api_max = drv->trans->cfg->ucode_api_max;
1501 const unsigned int api_min = drv->trans->cfg->ucode_api_min;
1502 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1503 u32 api_ver;
1504 int i;
1505 bool load_module = false;
1506 bool usniffer_images = false;
1507 bool failure = true;
1508
1509 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1510 fw->ucode_capa.standard_phy_calibration_size =
1511 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1512 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1513 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX;
1514 fw->ucode_capa.num_beacons = 1;
1515 /* dump all fw memory areas by default */
1516 fw->dbg.dump_mask = 0xffffffff;
1517
1518 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1519 if (!pieces)
1520 goto out_free_fw;
1521
1522 if (!ucode_raw)
1523 goto try_again;
1524
1525 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1526 drv->firmware_name, ucode_raw->size);
1527
1528 /* Make sure that we got at least the API version number */
1529 if (ucode_raw->size < 4) {
1530 IWL_ERR(drv, "File size way too small!\n");
1531 goto try_again;
1532 }
1533
1534 /* Data from ucode file: header followed by uCode images */
1535 ucode = (const struct iwl_ucode_header *)ucode_raw->data;
1536
1537 if (ucode->ver)
1538 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1539 else
1540 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1541 &fw->ucode_capa, &usniffer_images);
1542
1543 if (err)
1544 goto try_again;
1545
1546 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1547 api_ver = drv->fw.ucode_ver;
1548 else
1549 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1550
1551 /*
1552 * api_ver should match the api version forming part of the
1553 * firmware filename ... but we don't check for that and only rely
1554 * on the API version read from firmware header from here on forward
1555 */
1556 if (api_ver < api_min || api_ver > api_max) {
1557 IWL_ERR(drv,
1558 "Driver unable to support your firmware API. "
1559 "Driver supports v%u, firmware is v%u.\n",
1560 api_max, api_ver);
1561 goto try_again;
1562 }
1563
1564 /*
1565 * In mvm uCode there is no difference between data and instructions
1566 * sections.
1567 */
1568 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1569 drv->trans->cfg))
1570 goto try_again;
1571
1572 /* Allocate ucode buffers for card's bus-master loading ... */
1573
1574 /* Runtime instructions and 2 copies of data:
1575 * 1) unmodified from disk
1576 * 2) backup cache for save/restore during power-downs
1577 */
1578 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1579 if (iwl_alloc_ucode(drv, pieces, i))
1580 goto out_free_fw;
1581
1582 if (pieces->dbg_dest_tlv_init) {
1583 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
1584 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1585 drv->fw.dbg.n_dest_reg;
1586
1587 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1588
1589 if (!drv->fw.dbg.dest_tlv)
1590 goto out_free_fw;
1591
1592 if (*pieces->dbg_dest_ver == 0) {
1593 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
1594 dbg_dest_size);
1595 } else {
1596 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1597 drv->fw.dbg.dest_tlv;
1598
1599 dest_tlv->version = pieces->dbg_dest_tlv->version;
1600 dest_tlv->monitor_mode =
1601 pieces->dbg_dest_tlv->monitor_mode;
1602 dest_tlv->size_power =
1603 pieces->dbg_dest_tlv->size_power;
1604 dest_tlv->wrap_count =
1605 pieces->dbg_dest_tlv->wrap_count;
1606 dest_tlv->write_ptr_reg =
1607 pieces->dbg_dest_tlv->write_ptr_reg;
1608 dest_tlv->base_shift =
1609 pieces->dbg_dest_tlv->base_shift;
1610 memcpy(dest_tlv->reg_ops,
1611 pieces->dbg_dest_tlv->reg_ops,
1612 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1613 drv->fw.dbg.n_dest_reg);
1614
1615 /* In version 1 of the destination tlv, which is
1616 * relevant for internal buffer exclusively,
1617 * the base address is part of given with the length
1618 * of the buffer, and the size shift is give instead of
1619 * end shift. We now store these values in base_reg,
1620 * and end shift, and when dumping the data we'll
1621 * manipulate it for extracting both the length and
1622 * base address */
1623 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1624 dest_tlv->end_shift =
1625 pieces->dbg_dest_tlv->size_shift;
1626 }
1627 }
1628
1629 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
1630 if (pieces->dbg_conf_tlv[i]) {
1631 drv->fw.dbg.conf_tlv[i] =
1632 kmemdup(pieces->dbg_conf_tlv[i],
1633 pieces->dbg_conf_tlv_len[i],
1634 GFP_KERNEL);
1635 if (!drv->fw.dbg.conf_tlv[i])
1636 goto out_free_fw;
1637 }
1638 }
1639
1640 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1641
1642 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1643 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1644 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1645 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1646 sizeof(struct iwl_fw_dbg_trigger_cmd);
1647 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1648 sizeof(struct iwl_fw_dbg_trigger_mlme);
1649 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1650 sizeof(struct iwl_fw_dbg_trigger_stats);
1651 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1652 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1653 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1654 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1655 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1656 sizeof(struct iwl_fw_dbg_trigger_time_event);
1657 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1658 sizeof(struct iwl_fw_dbg_trigger_ba);
1659 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1660 sizeof(struct iwl_fw_dbg_trigger_tdls);
1661
1662 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
1663 if (pieces->dbg_trigger_tlv[i]) {
1664 /*
1665 * If the trigger isn't long enough, WARN and exit.
1666 * Someone is trying to debug something and he won't
1667 * be able to catch the bug he is trying to chase.
1668 * We'd better be noisy to be sure he knows what's
1669 * going on.
1670 */
1671 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1672 (trigger_tlv_sz[i] +
1673 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1674 goto out_free_fw;
1675 drv->fw.dbg.trigger_tlv_len[i] =
1676 pieces->dbg_trigger_tlv_len[i];
1677 drv->fw.dbg.trigger_tlv[i] =
1678 kmemdup(pieces->dbg_trigger_tlv[i],
1679 drv->fw.dbg.trigger_tlv_len[i],
1680 GFP_KERNEL);
1681 if (!drv->fw.dbg.trigger_tlv[i])
1682 goto out_free_fw;
1683 }
1684 }
1685
1686 /* Now that we can no longer fail, copy information */
1687
1688 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
1689 pieces->dbg_mem_tlv = NULL;
1690 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
1691
1692 /*
1693 * The (size - 16) / 12 formula is based on the information recorded
1694 * for each event, which is of mode 1 (including timestamp) for all
1695 * new microcodes that include this information.
1696 */
1697 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1698 if (pieces->init_evtlog_size)
1699 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1700 else
1701 fw->init_evtlog_size =
1702 drv->trans->trans_cfg->base_params->max_event_log_size;
1703 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1704 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1705 if (pieces->inst_evtlog_size)
1706 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1707 else
1708 fw->inst_evtlog_size =
1709 drv->trans->trans_cfg->base_params->max_event_log_size;
1710 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1711
1712 /*
1713 * figure out the offset of chain noise reset and gain commands
1714 * base on the size of standard phy calibration commands table size
1715 */
1716 if (fw->ucode_capa.standard_phy_calibration_size >
1717 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1718 fw->ucode_capa.standard_phy_calibration_size =
1719 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1720
1721 /* We have our copies now, allow OS release its copies */
1722 release_firmware(ucode_raw);
1723
1724 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans);
1725
1726 mutex_lock(&iwlwifi_opmode_table_mtx);
1727 switch (fw->type) {
1728 case IWL_FW_DVM:
1729 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1730 break;
1731 default:
1732 WARN(1, "Invalid fw type %d\n", fw->type);
1733 fallthrough;
1734 case IWL_FW_MVM:
1735 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1736 break;
1737 }
1738
1739 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1740 drv->fw.fw_version, op->name);
1741
1742 /* add this device to the list of devices using this op_mode */
1743 list_add_tail(&drv->list, &op->drv);
1744
1745 if (op->ops) {
1746 drv->op_mode = _iwl_op_mode_start(drv, op);
1747
1748 if (!drv->op_mode) {
1749 mutex_unlock(&iwlwifi_opmode_table_mtx);
1750 goto out_unbind;
1751 }
1752 } else {
1753 load_module = true;
1754 }
1755 mutex_unlock(&iwlwifi_opmode_table_mtx);
1756
1757 /*
1758 * Complete the firmware request last so that
1759 * a driver unbind (stop) doesn't run while we
1760 * are doing the start() above.
1761 */
1762 complete(&drv->request_firmware_complete);
1763
1764 /*
1765 * Load the module last so we don't block anything
1766 * else from proceeding if the module fails to load
1767 * or hangs loading.
1768 */
1769 if (load_module)
1770 request_module("%s", op->name);
1771 failure = false;
1772 goto free;
1773
1774 try_again:
1775 /* try next, if any */
1776 release_firmware(ucode_raw);
1777 if (iwl_request_firmware(drv, false))
1778 goto out_unbind;
1779 goto free;
1780
1781 out_free_fw:
1782 release_firmware(ucode_raw);
1783 out_unbind:
1784 complete(&drv->request_firmware_complete);
1785 device_release_driver(drv->trans->dev);
1786 /* drv has just been freed by the release */
1787 failure = false;
1788 free:
1789 if (failure)
1790 iwl_dealloc_ucode(drv);
1791
1792 if (pieces) {
1793 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1794 kfree(pieces->img[i].sec);
1795 kfree(pieces->dbg_mem_tlv);
1796 kfree(pieces);
1797 }
1798 }
1799
iwl_drv_start(struct iwl_trans * trans)1800 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1801 {
1802 struct iwl_drv *drv;
1803 int ret;
1804
1805 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1806 if (!drv) {
1807 ret = -ENOMEM;
1808 goto err;
1809 }
1810
1811 drv->trans = trans;
1812 drv->dev = trans->dev;
1813
1814 init_completion(&drv->request_firmware_complete);
1815 #if defined(__FreeBSD__)
1816 init_completion(&drv->drv_start_complete);
1817 #endif
1818 INIT_LIST_HEAD(&drv->list);
1819
1820 #ifdef CONFIG_IWLWIFI_DEBUGFS
1821 /* Create the device debugfs entries. */
1822 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1823 iwl_dbgfs_root);
1824
1825 /* Create transport layer debugfs dir */
1826 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1827 #endif
1828
1829 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans);
1830
1831 ret = iwl_request_firmware(drv, true);
1832 if (ret) {
1833 IWL_ERR(trans, "Couldn't request the fw\n");
1834 goto err_fw;
1835 }
1836
1837 #if defined(__FreeBSD__)
1838 /*
1839 * Wait until initilization is done before returning in order to
1840 * replicate FreeBSD's synchronous behaviour -- we cannot create
1841 * a vap before the com is fully created but if LinuxKPI "probe"
1842 * returned before it was all done that is what could happen.
1843 */
1844 wait_for_completion(&drv->request_firmware_complete);
1845 complete(&drv->drv_start_complete);
1846 #endif
1847
1848 return drv;
1849
1850 err_fw:
1851 #ifdef CONFIG_IWLWIFI_DEBUGFS
1852 debugfs_remove_recursive(drv->dbgfs_drv);
1853 iwl_dbg_tlv_free(drv->trans);
1854 #endif
1855 kfree(drv);
1856 err:
1857 return ERR_PTR(ret);
1858 }
1859
iwl_drv_stop(struct iwl_drv * drv)1860 void iwl_drv_stop(struct iwl_drv *drv)
1861 {
1862 #if defined(__linux__)
1863 wait_for_completion(&drv->request_firmware_complete);
1864 #elif defined(__FreeBSD__)
1865 wait_for_completion(&drv->drv_start_complete);
1866 #endif
1867
1868 _iwl_op_mode_stop(drv);
1869
1870 iwl_dealloc_ucode(drv);
1871
1872 mutex_lock(&iwlwifi_opmode_table_mtx);
1873 /*
1874 * List is empty (this item wasn't added)
1875 * when firmware loading failed -- in that
1876 * case we can't remove it from any list.
1877 */
1878 if (!list_empty(&drv->list))
1879 list_del(&drv->list);
1880 mutex_unlock(&iwlwifi_opmode_table_mtx);
1881
1882 #ifdef CONFIG_IWLWIFI_DEBUGFS
1883 drv->trans->ops->debugfs_cleanup(drv->trans);
1884
1885 debugfs_remove_recursive(drv->dbgfs_drv);
1886 #endif
1887
1888 iwl_dbg_tlv_free(drv->trans);
1889
1890 kfree(drv);
1891 }
1892
1893 #define ENABLE_INI (IWL_DBG_TLV_MAX_PRESET + 1)
1894
1895 /* shared module parameters */
1896 struct iwl_mod_params iwlwifi_mod_params = {
1897 .fw_restart = true,
1898 .bt_coex_active = true,
1899 .power_level = IWL_POWER_INDEX_1,
1900 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1901 .enable_ini = ENABLE_INI,
1902 #if defined(__FreeBSD__)
1903 .disable_11n = 1,
1904 .disable_11ac = true,
1905 .disable_11ax = true,
1906 .disable_11be = true,
1907 #endif
1908 /* the rest are 0 by default */
1909 };
1910 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1911
iwl_opmode_register(const char * name,const struct iwl_op_mode_ops * ops)1912 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1913 {
1914 int i;
1915 struct iwl_drv *drv;
1916 struct iwlwifi_opmode_table *op;
1917
1918 mutex_lock(&iwlwifi_opmode_table_mtx);
1919 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1920 op = &iwlwifi_opmode_table[i];
1921 if (strcmp(op->name, name))
1922 continue;
1923 op->ops = ops;
1924 /* TODO: need to handle exceptional case */
1925 list_for_each_entry(drv, &op->drv, list)
1926 drv->op_mode = _iwl_op_mode_start(drv, op);
1927
1928 mutex_unlock(&iwlwifi_opmode_table_mtx);
1929 return 0;
1930 }
1931 mutex_unlock(&iwlwifi_opmode_table_mtx);
1932 return -EIO;
1933 }
1934 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1935
iwl_opmode_deregister(const char * name)1936 void iwl_opmode_deregister(const char *name)
1937 {
1938 int i;
1939 struct iwl_drv *drv;
1940
1941 mutex_lock(&iwlwifi_opmode_table_mtx);
1942 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1943 if (strcmp(iwlwifi_opmode_table[i].name, name))
1944 continue;
1945 iwlwifi_opmode_table[i].ops = NULL;
1946
1947 /* call the stop routine for all devices */
1948 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1949 _iwl_op_mode_stop(drv);
1950
1951 mutex_unlock(&iwlwifi_opmode_table_mtx);
1952 return;
1953 }
1954 mutex_unlock(&iwlwifi_opmode_table_mtx);
1955 }
1956 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1957
iwl_drv_init(void)1958 static int __init iwl_drv_init(void)
1959 {
1960 int i, err;
1961
1962 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1963 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1964
1965 pr_info(DRV_DESCRIPTION "\n");
1966
1967 #ifdef CONFIG_IWLWIFI_DEBUGFS
1968 /* Create the root of iwlwifi debugfs subsystem. */
1969 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1970 #endif
1971
1972 err = iwl_pci_register_driver();
1973 if (err)
1974 goto cleanup_debugfs;
1975
1976 return 0;
1977
1978 cleanup_debugfs:
1979 #ifdef CONFIG_IWLWIFI_DEBUGFS
1980 debugfs_remove_recursive(iwl_dbgfs_root);
1981 #endif
1982 return err;
1983 }
1984 module_init(iwl_drv_init);
1985
iwl_drv_exit(void)1986 static void __exit iwl_drv_exit(void)
1987 {
1988 iwl_pci_unregister_driver();
1989
1990 #ifdef CONFIG_IWLWIFI_DEBUGFS
1991 debugfs_remove_recursive(iwl_dbgfs_root);
1992 #endif
1993 }
1994 module_exit(iwl_drv_exit);
1995
1996 #ifdef CONFIG_IWLWIFI_DEBUG
1997 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
1998 MODULE_PARM_DESC(debug, "debug output mask");
1999 #endif
2000
2001 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
2002 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
2003 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
2004 MODULE_PARM_DESC(11n_disable,
2005 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
2006 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
2007 MODULE_PARM_DESC(amsdu_size,
2008 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "
2009 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");
2010 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
2011 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
2012
2013 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
2014 MODULE_PARM_DESC(nvm_file, "NVM file name");
2015
2016 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
2017 MODULE_PARM_DESC(uapsd_disable,
2018 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
2019
2020 #if defined(__linux__)
enable_ini_set(const char * arg,const struct kernel_param * kp)2021 static int enable_ini_set(const char *arg, const struct kernel_param *kp)
2022 {
2023 int ret = 0;
2024 bool res;
2025 __u32 new_enable_ini;
2026
2027 /* in case the argument type is a number */
2028 ret = kstrtou32(arg, 0, &new_enable_ini);
2029 if (!ret) {
2030 if (new_enable_ini > ENABLE_INI) {
2031 pr_err("enable_ini cannot be %d, in range 0-16\n", new_enable_ini);
2032 return -EINVAL;
2033 }
2034 goto out;
2035 }
2036
2037 /* in case the argument type is boolean */
2038 ret = kstrtobool(arg, &res);
2039 if (ret)
2040 return ret;
2041 new_enable_ini = (res ? ENABLE_INI : 0);
2042
2043 out:
2044 iwlwifi_mod_params.enable_ini = new_enable_ini;
2045 return 0;
2046 }
2047
2048 static const struct kernel_param_ops enable_ini_ops = {
2049 .set = enable_ini_set
2050 };
2051
2052 module_param_cb(enable_ini, &enable_ini_ops, &iwlwifi_mod_params.enable_ini, 0644);
2053 MODULE_PARM_DESC(enable_ini,
2054 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,"
2055 "Debug INI TLV FW debug infrastructure (default: 16)");
2056 #endif
2057
2058 /*
2059 * set bt_coex_active to true, uCode will do kill/defer
2060 * every time the priority line is asserted (BT is sending signals on the
2061 * priority line in the PCIx).
2062 * set bt_coex_active to false, uCode will ignore the BT activity and
2063 * perform the normal operation
2064 *
2065 * User might experience transmit issue on some platform due to WiFi/BT
2066 * co-exist problem. The possible behaviors are:
2067 * Able to scan and finding all the available AP
2068 * Not able to associate with any AP
2069 * On those platforms, WiFi communication can be restored by set
2070 * "bt_coex_active" module parameter to "false"
2071 *
2072 * default: bt_coex_active = true (BT_COEX_ENABLE)
2073 */
2074 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
2075 bool, 0444);
2076 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
2077
2078 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
2079 MODULE_PARM_DESC(led_mode, "0=system default, "
2080 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
2081
2082 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);
2083 MODULE_PARM_DESC(power_save,
2084 "enable WiFi power management (default: disable)");
2085
2086 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
2087 MODULE_PARM_DESC(power_level,
2088 "default power save level (range from 1 - 5, default: 1)");
2089
2090 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
2091 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
2092
2093 module_param_named(remove_when_gone,
2094 iwlwifi_mod_params.remove_when_gone, bool,
2095 0444);
2096 MODULE_PARM_DESC(remove_when_gone,
2097 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
2098
2099 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
2100 S_IRUGO);
2101 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
2102
2103 module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444);
2104 MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)");
2105